Created
October 24, 2023 08:00
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| import "./App.css"; | |
| import { createContext, lazy, useContext, useEffect, useState } from "react"; | |
| const Excel = lazy(() => import("./Demo2")); | |
| export const i18nContext = createContext("bouh"); | |
| export const I18nContextProvider = i18nContext.Provider; | |
| export const useI18n = () => { | |
| const context = useContext(i18nContext); | |
| if (!context) { | |
| throw new Error("Le Provider n'a pas été trouvé"); | |
| } | |
| return context; | |
| }; | |
| const useAsyncTask = (promiseFactory) => { | |
| const [loading, setLoading] = useState(true); | |
| const [data, setData] = useState(); | |
| const [err, setErr] = useState(); | |
| useEffect(() => { | |
| promiseFactory() | |
| .then((d) => setData(d)) | |
| .then(() => setLoading(false)) | |
| .catch((e) => setErr(e)); | |
| }, []); | |
| return { | |
| loading, | |
| data, | |
| err, | |
| }; | |
| }; | |
| function App() { | |
| const { loading, data } = useAsyncTask(() => | |
| fetch("https://swapi.dev/api/people/1/").then((response) => response.json()) | |
| ); | |
| if (loading) { | |
| return <p>Loading...</p>; | |
| } | |
| return <p>{data.name}</p>; | |
| } | |
| export default App; |
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